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Summation by Sigma Method

The first thr...

Question

The first three terms of a sequence are 3,3,6 and each term after the second is the sum of two terms preceding it, the 8th term of the sequence is

A

15

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B

24

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C

39

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D

63

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Solution

The correct option is D 63
The given series is 3 times the Fibonacci series so if the 8th of Fibonacci series is 21 then 8th term of this series would be 63

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